Get a toothbrush and work some bleach into the stain. Try to be gentle, just gently rub the brush over the area of the white desk that has been stained. You just want to try to rub the bleach into the stain to take over the color.
Put vinegar and some baking soda on the stain. This will produce a foaming action that is found in a lot of cleaners. The hope is that the foaming action will lift up some of the stain and all of your worries will go away.

The surface of the desk needs to allow a place so you can position a monitor directly in front of you, at least 20 inches away. The desk should provide a stable work surface and not be wobbly. The work surface of the desk should have a dull or a matte finish to help minimize reflections and glare. A desk that is adjustable may be the ideal solution if multiple people will be using the same desk.

Low blood sugar levels - Sitting after meals could help explain why extreme sedentary time is associated with 112% greater risk of type 2 diabetes. Using standing desks at work can help lower blood sugar levels, most especially after lunch.